Investigation of Shear-Induced Turbulence by MST (Mesosphere-Stratosphere-Troposphere Radar).

Abstract

Wind speed and C sub N squared measurements made with the Poker Flat, Alaska MST radar are used to study the development of clear air turbulence (CAT) near the tropopause. Arguments and observations that indicate C sub N squared is proportional to the intensity of turbulence are presented. The relationship between wind shear and turbulence is examined using time-lagged cross correlations of measured shears and C sub N squared time series. From analysis of data taken with spatial resolutions of 2200 m and 750 m, it is found that the correlation improves as the time and spatial resolutions of the measurements improve. The implications for forecasting CAT are discussed, based on the correlation results and a comparison of radar data with National Weather Service CAT forecasts. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1982
Accession Number
ADA129203

Entities

People

  • Gerald J. Romick
  • K.o.l.f. Jayaweera
  • Steven A. Smith

Organizations

  • University of Alaska Fairbanks

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Aircrafts
  • Atmospheric Motion
  • Clear Air Turbulence
  • Cross Correlation
  • Data Acquisition
  • Data Analysis
  • High Resolution
  • Information Science
  • Measurement
  • Meteorology
  • Observation
  • Statistical Analysis
  • Turbulence
  • Turbulent Mixing
  • Wind
  • Wind Shear
  • Wind Velocity

Fields of Study

  • Environmental science

Readers

  • Astronomy and Astrophysics.
  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Atmospheric Science/Meteorology

Technology Areas

  • Space